Function checkURLs

src/webpage/utils/utils.ts:525–615

* this function checks if a string is an instance, it'll either return the API urls or null

(wellknown: string, urls: InstanceUrls)

			options.addHTMLArea(span);
			const t = setInterval(() => {
				if (!document.contains(span)) {
					clearInterval(t);
					no.onClick();
				}
			}, 100);
			menu.show();
		});
	}
	return undefined;
}
export async function getApiUrlsV1(str: string): Promise<InstanceUrls | null> {
	function appendApi(str: string) {
		return str.includes("api") ? str : str.endsWith("/") ? str + "api" : str + "/api";
	}
	if (!URL.canParse(str)) {
		if (stringURLMap.size === 0) {
			await new Promise<void>((res) => {
				let intervalID = setInterval(() => {
					if (stringURLMap.size !== 0) {
						clearInterval(intervalID);
						res();
					}
				}, 100);
			});
		}
		const val = stringURLMap.get(str);
		if (val) {
			str = val;
		} else {
			const val = stringURLsMap.get(str);
			if (val) {
				const response = await fetch(val.api + (val.api.endsWith("/") ? "" : "/") + "ping");
				if (response.ok) {
					if (val.login) {
						return val as InstanceUrls;
					} else {
						val.login = val.api;
						return val as InstanceUrls;
					}
				}
			} else if (!str.match(/^https?:\/\//gm)) {
				str = "https://" + str;
			}
		}
	}
	str = trimTrailingSlashes(str);
	let api: string;
	try {
		const info = await fetch(`${str}/.well-known/spacebar`).then((x) => x.json());
		api = trimTrailingSlashes(info.api);
	} catch {
		api = str;
	}
	if (!URL.canParse(api)) {
		return null;
	}
	const url = new URL(api);
	let urls: undefined | InstanceUrls;